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Finding the Fourth Proportional to 271,909.40, 407,864.10 and 232,543.40

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Solution

The fourth proportional to 271,909.40, 407,864.10 and 232,543.40 is: 348,815.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,909.40 : 407,864.10 = 232,543.40 : x
  2. Step 2: Convert to fraction form
    271,909.40/407,864.10 = 232,543.40/x
  3. Step 3: Cross multiply
    271,909.40x = 407,864.10 × 232,543.40
  4. Step 4: Simplify right side
    271,909.40x = 94,846,104,551.94
  5. Step 5: Solve for x
    x = 94,846,104,551.94/271,909.40
  6. Step 6: Final answer
    x = 348,815.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.